Home / 2,128,960.92-3,193,486.73-762,823.86

Finding the Fourth Proportional to 2,128,960.92, 3,193,486.73 and 762,823.86

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Solution

The fourth proportional to 2,128,960.92, 3,193,486.73 and 762,823.86 is: 1,144,252.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,960.92 : 3,193,486.73 = 762,823.86 : x
  2. Step 2: Convert to fraction form
    2,128,960.92/3,193,486.73 = 762,823.86/x
  3. Step 3: Cross multiply
    2,128,960.92x = 3,193,486.73 × 762,823.86
  4. Step 4: Simplify right side
    2,128,960.92x = 2,436,067,870,423.26
  5. Step 5: Solve for x
    x = 2,436,067,870,423.26/2,128,960.92
  6. Step 6: Final answer
    x = 1,144,252.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.